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Received: 2006-03-20

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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.2 P.176-179


Performance measurement of broadband, wide-angle polarizing beam splitter

Author(s):  CHEN Wei-bin, ZHENG Zhen-rong, GU Pei-fu, ZHANG Yue-guang

Affiliation(s):  State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   gupeifu@zju.edu.cn

Key Words:  Polarizing beam splitter (PBS), Projection display, Measurement, Contrast

CHEN Wei-bin, ZHENG Zhen-rong, GU Pei-fu, ZHANG Yue-guang. Performance measurement of broadband, wide-angle polarizing beam splitter[J]. Journal of Zhejiang University Science A, 2007, 8(2): 176-179.

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%T Performance measurement of broadband, wide-angle polarizing beam splitter
%A CHEN Wei-bin
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%A GU Pei-fu
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%DOI 10.1631/jzus.2007.A0176

T1 - Performance measurement of broadband, wide-angle polarizing beam splitter
A1 - CHEN Wei-bin
A1 - ZHENG Zhen-rong
A1 - GU Pei-fu
A1 - ZHANG Yue-guang
J0 - Journal of Zhejiang University Science A
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DOI - 10.1631/jzus.2007.A0176

polarizing beam splitter (PBS) is a critical optical component in projection display system because PBS performance greatly influences the contrast and brightness of the system. PBS performance is usually measured by spectrophotometer after coating and cementing, but the measured result cannot represent the actual performance in practice because people usually change the incident angle in one plane (horizontal plane) and do not consider the other plane (vertical plane). Geometrical polarization rotation occurring at reduced F-number influences the measuring precision of s-polarization transmittance (Ts) and p-polarization reflectance (Rp). A more accurate and practical way to measure the performance of broadband, wide-angle PBS is presented in this paper.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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